Optimum Nutrition
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[Rescored via evidence crawl] Previous score 72 → new 80. Evidence found: Stracke H et al. Benfotiamine in diabetic polyneuropathy (BENDIP). Exp Clin Endocrinol Diabetes. 2008;116(10):600-605. | Haupt E et al. Benfotiamine in the treatment of diabetic polyneuropathy—a three-week randomized, controlled pilot study. Int J Clin Pharmacol Ther. 2005;43(2):71-77.. Rationale: 300 mg matches the BENDIP trial dose (Stracke 2008) — full therapeutic dose in a single capsule. Higher-value SKU than the 150 mg variant for anyone actually treating diabetic polyneuropathy. Uplift to 80.
The Vyvata score's Evidence dimension measures the quality of published RCT support for a product's active ingredients at the label dose. Our source hierarchy: double-blind RCTs in MEDLINE-indexed journals > single-blind RCTs > open-label trials > observational studies > mechanism papers > N=1 case studies (anecdotes). Predatory journals and manufacturer-authored studies without independent replication are weighted down.
Product-specific evidence citations for this item are embedded in the analysis text on the "Analysis" tab. For the full framework and evidence hierarchy, see the methodology page.
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DOCTOR'S BEST: Benfotiamine 300mg 60 Veggie Capsules | Vitamin B1 Support is a product from Doctor's Best, categorized under Vitamins & foundational micronutrients in the Supplements vertical. It is scored on the Vyvata Scoring Framework — an independent 6-dimension rubric applied uniformly to every product Vyvata lists.
72/100 overall — Verified tier (70–84 band). Per-dimension breakdown: Formulation 78, Manufacturing 75, Evidence 72, Safety 72, Transparency 72, Sustainability 60. Scored as of 2026-08-24.
Doctor's Best Benfotiamine 300mg is a well-formulated single-ingredient product. Benfotiamine is a lipid-soluble thiamine derivative with meaningful RCT support for diabetic neuropathy (Stracke 2008, Haupt 2005 BENDIP trial at 300-600mg/day). Doctor's Best is a reputable US brand with good QC and NSF-registered facility. Smart Greens is just a reseller. Would move to Verified 75+ with confirmed lot testing and studied 600mg dose format.
Strongest: Formulation at 78/100 (dose adequacy, bioavailability form, and ingredient redundancy) and Manufacturing at 75/100 (third-party testing, GMP compliance, and facility audit status). Weakest: Transparency at 72/100 (dose disclosure vs proprietary blends, and honesty of marketing claims) and Sustainability at 60/100 (sourcing practices, packaging, and corporate practice). All six dimensions feed the overall Vyvata score; a weakness on any one dimension pulls the overall down proportionally.
No third-party certifications (NSF, USP, ConsumerLab, or equivalent) were on record at the time of scoring. This affects the Manufacturing dimension score. The manufacturer may test internally or have obtained certification more recently — check the current product label for the most up-to-date information.
Would move to Verified 75+ with confirmed lot testing and studied 600mg dose format.
The top-ranked vitamins & foundational micronutrients product in the Vyvata catalog is currently Thorne Basic Nutrients 2/Day at 89/100. See the full ranked list of 635 scored products in this subcategory at https://vyvata.com/pages/best-vitamins-and-foundational-micronutrients-supplements-ranked.
The Vyvata Scoring Framework rates every listed product 0–100 across six dimensions: Evidence, Formulation, Manufacturing, Safety, Transparency, and Sustainability. Tier bands: Elite 85–100 (top-tier evidence + formulation + manufacturing), Verified 70–84 (strong on most dimensions), Standard 50–69 (solid but with weaknesses called out), Rejected 0–49 (specific failures documented). Rejected products remain listed with reasons. Full methodology at https://vyvata.com/pages/methodology.
The Vyvata score measures product integrity against a published rubric, not customer sentiment. For customer reviews and community discussion, search external platforms directly: Amazon (https://www.amazon.com/s?k=Doctor's%20Best%20DOCTOR'S%20BEST%3A%20Benfotiamine%20300mg%2060%20Veggie%20Capsules%20%7C%20Vitamin%20B1%20Support),Google(https://www.google.com/search?q=Doctor's%20Best%20DOCTOR'S%20BEST%3A%20Benfotiamine%20300mg%2060%20Veggie%20Capsules%20%7C%20Vitamin%20B1%20Support+reviews),Reddit(https://www.reddit.com/search/?q=Doctor's%20Best%20DOCTOR'S%20BEST%3A%20Benfotiamine%20300mg%2060%20Veggie%20Capsules%20%7C%20Vitamin%20B1%20Support%20review),andTrustpilot(https://www.trustpilot.com/search?query=Doctor's%20Best%20DOCTOR'S%20BEST%3A%20Benfotiamine%20300mg%2060%20Veggie%20Capsules%20%7C%20Vitamin%20B1%20Support).Vyvatadoesnotaggregate,republish,orlicensethosethird-partyreviews.
The Vyvata score measures product integrity against a published rubric, not customer sentiment. Vyvata does not aggregate, republish, or license third-party reviews — the links below open search pages on their respective platforms.
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Every score is set from the published rubric, audit-logged, and rescored whenever new evidence emerges (published trials, updated labels, third-party testing releases). Every vendor is scored on the same criteria — no pay-to-play. See our editorial-independence disclosure for the full policy, including brands with an editorial relationship to this site.

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